import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '@/components/Login'
// import Home from '@/components/Home'
// import Welcome from '@/components/Welcome'
// import Users from '@/components/user/Users'
// import Rights from '@/components/power/Rights'
// import Roles from '@/components/power/Roles'
// import Cate from '@/components/goods/Cate'
// import Params from '@/components/goods/Params'
// import GoodsList from '@/components/goods/List'
// import Add from '@/components/goods/Add'
// import Order from '@/components/order/Order'
// import Report from '@/components/report/Report'
// 路由懒加载：分组名称一样则会打包到同一个js文件中 这样一个组件加载了其他的也会加载
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '@/components/Login')
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '@/components/Home')
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '@/components/Welcome')

const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/user/Users')
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Rights')
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Roles')

const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '@/components/goods/Cate')
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '@/components/goods/Params')

const GoodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ '@/components/goods/List')
const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ '@/components/goods/Add')

const Order = () => import(/* webpackChunkName: "Order_Report" */ '@/components/order/Order')
const Report = () => import(/* webpackChunkName: "Order_Report" */ '@/components/report/Report')

Vue.use(VueRouter)

const router = new VueRouter({
  routes: [
    { path: '/', redirect: '/login' }, /* 重定向 */
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [
        { path: '/welcome', component: Welcome },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
        { path: '/goods', component: GoodsList },
        { path: '/goods/add', component: Add },
        { path: '/orders', component: Order },
        { path: '/reports', component: Report }
      ]
    }
  ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
